Chapter 1 - Whole Numbers - 1.7 Rounding Whole Numbers - 1.7 Exercises - Page 72: 30

Ten: 7070 Hundred: 7100 Thousand: 7000

To round to the nearest ten, we look at the ones place, which is 5 so we round up to the next biggest ten: 7070. To round to the nearest hundred we look at the tens place, which is 7 so we round up to the next biggest hundred: 7100. To round to the nearest thousand we look at the hundreds place, which is 0 so we round down to the same thousand: 7000.